83 overspeed limit – Rockwell Automation Liqui-Flo 1.5 General Purpose and Vector Duty User Manual
Page 50

4-18
LiquiFlo 1.5 AC Drive, Software Reference Version 1.2
Sets the incremental amount of the output frequency (above Maximum Speed)
allowable for functions such as slip compensation. See figure 4.6
Maximum Speed + Overspeed Limit must be
≤
to Maximum Frequency
Sets a frequency at which the drive will not operate (also called an avoidance
frequency). Requires that both Skip Frequency 1-3 and Skip Frequency Band (87) be
set to a value other than 0.
83
Overspeed Limit
Range:
0.0 to 20.0 Hz [0.1 Hz]
Default:
10.0 Hz
Access:
1
Path: Speed Command>Spd Mode & Limits
See also:
55, 82
Figure 4.6 – Speed Limits
Allowable Output Frequency Range
Bus Regulation or Current Limit
V
o
l
t
a
g
e
Frequency
Allowable Output Frequency Range
Normal Operation
Allowable Reference Frequency Range
Frequency Trim due to
Speed Control Mode
Max Volts
Motor Volts
Break Volts
Start Boost
Run
0
Min
Speed
Motor
Hz
Max
Speed
Output
Freq Limit
Max
Freq
Break
Frequency
Overspeed
Limit
84
85
86
Skip Frequency 1
Skip Frequency 2
Skip Frequency 3
Range:
0.0 to 250.0 [0.1 Hz]
Default:
0.0 Hz
Access:
1
Path: Speed Command>Spd Mode & Limits
See also:
87